1222001200202 has 16 divisors (see below), whose sum is σ = 1877741763912. Its totient is φ = 596087796480.

The previous prime is 1222001200193. The next prime is 1222001200253. The reversal of 1222001200202 is 2020021002221.

It can be written as a sum of positive squares in 4 ways, for example, as 81123002041 + 1140878198161 = 284821^2 + 1068119^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7009598 + ... + 7181814.

Almost surely, 2^{1222001200202} is an apocalyptic number.

1222001200202 is a deficient number, since it is larger than the sum of its proper divisors (655740563710).

1222001200202 is a wasteful number, since it uses less digits than its factorization.

1222001200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258793.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222001200202 its reverse (2020021002221), we get a palindrome (3242022202423).

The spelling of 1222001200202 in words is "one trillion, two hundred twenty-two billion, one million, two hundred thousand, two hundred two".